As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON FLIGHT 2866 THE CREW REPORTED THAT WHEN TURNING LEFT WITH RUDDER PEDALS OR TILLER NOTHING HAPPENS UNTIL ABOUT 5 DEGREES DEFLECTION, THEN THE TURN STARTS, SHUDDERING WAS FELT FROM NOSE WHEEL. THE AIRCRAFT WAS REMOVED FROM SERVICE. REMOVED AND REPLACED THE FEEDBACK POTENTIOMETER UNIT IAW EMB 145 AMM 32-50-07. THE OPERATIONAL CHECK WAS GOOD. THE AIRCRAFT WAS RETURNED TO SERVICE.